Scale.



P. P. DUNN;

SGALE.

APPLICATION FILED DEC. 30, 1909.

Patented Feb. 27, 1912.

a SHEETS-SHEET 1.

- IVVEIVTOR. vrank P. Dunn.

WITNESSES:

ATTORNEY.

P. P.DUNN. SOALE.

' Arrt'loluxo'n FILED no. so. 1909. I 1,018,81 3. Patented Feb. 27, 1912 Mums-sum 2.

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' I 11 1111 1X P.D0vm

JVITNESSES:

ATTORNEY.

I 7 Frog-11k F. P.-DUNN.

I seem. 7 APPLICATION FILED DEC. 30. 1909.

1,018,81 3 Patented Feb. 27, 1912.

a SHEETS-SHEET s. '1.

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A TTORNEY.

w w """W Anderson, county of Madison, and State of UNITED STATES. PATENT oFFIoE.

FRANK P. DUNN, OF ANDERSON, INDIA NA, AS SIGNOR, BY DIRECT AND MESNE ASSIGN- MENTS, OF THIRTY ONE-HUNDREDTHS '10 ANDERSON TOOL COMPANY, OF ANDER- SON, INDIANA, A CORPORATION OF INDIANA,

REEVES, 0F TOLEDO, 01110. g

AND ONE-FOURTH TO OREVELL SCALE.

To all whom it'mag concern:

Be it known that I, FRANK P. DUNN, of

Indiana, have invented a certain new and useful Scale; and I do hereby declare that the following is a full, clear, and exact de scription thereof, reference being had to the accompanying drawings.

The object of this invention is to improve the construction of weighing scales, particularly computing scales, whereby there is simplification of constructionand greater compactness, and the chart and other parts of the indicating means are in a horizontal position and visible to both ,the purchaser and salesman.

One feature, of. the invention consists in mounting-the lndicatlng means, preferably, in a horizontal position, on the beam so it will. move or oscillate therewith. Parts of the indicating means may be integral with the beam, and it is preferably central of the fulcrum of the beam. The movable part of the indicating means moves in the arc offa circle substantially parallel with the beam and horizontally, and is preferably pivoted, and such pivoting is preferably central of the beam.

Another feature of the invention is to make the members of the indicating means double, so as to show and read alike on both sides of the scale to enable both purchaser and salesman to operate or read the same.

Another feature of the invention consists in providing a pivoted poise movable away from and toward the load receiving member on the beam for counterbalan'cing any load, the zero position of-said poise being next the load receiving ihember, and preferably it.

swings or moveslacross thefulcrnmlof the beam so as toincre'ase the, capacity ofithe scale. p

Another feature of the invention consists in combining thepoise and movable member of the indicating means so that themovable member of. the indicating means serves as a poise, or the poise serves as a part of the indicating means. Preferably aweight is added to the end of the movable member of the indicator.

Another feature of the invention consists Specification of Letters Patent. Application fiied December 30, 1909.

Patented Feb. 27. 1912. sm-mi Nof 535,596.

in providing on one member of the indicatlng means a series of prlces per pounds and also a series-of prices per ounces registering.

with the indications on the other indicating member.

The nature of the invention will be understood from the accompanying drawings and the following description and claims.

' In the drawings Figure 1 is a plan view of one form of the invention. Fig. 2 is a central vertical section longitudinally of the scale shown in Fig. 1, showing the beam in balanced position. Fig. 3 is a central vertical transverse section through the same, with the ends of the combined indicator and poise .partlybroken away. Fig. 4 is a'plan There is shown in the drawings a hollow base 10 elongated and'having a hollow up- Wardly extending stand 11 located centrally thereof with the upper end of such stand internally threaded to receive the lower end of the fulcrum frame 12. The fulcrum frame has two arms united at their lower ends and separated at their upper ends, as shown in Fig. 3, and the arms of said fulcrum frame extend transversely of the base and above the base. At eachjend of the base thereis an upwardly extending hollow stand 13.

The beam consists of a frame having bars 15 parallel with each other and the base and secured to a cross portion 16 at the center, and the central portion is fulcrumed on the ends of the fulcrum arms 12. The ends of the beam carry vertical funnelshaped members 17, one of which carries a weight-receiving member 18, and the other carries a load-receiving member 19. These funnel-shaped members 17 are supplied with lead or shot 20. A rod 21 is rigidly secured -to the lower end of each member .17 and extends down through the stand 13 and at its lower end is pivoted to a connecting bar 22, which at its inner end is pivoted to the lower end of thebar that extends up centrally through thestand l1 and is se-- cured tot-he lower end of, the fulcrum frame 12. These parts areto maintain the weightand load-receiving members nra horizontal position as they move up and down. A

relatively large weight 25 is secured centrally to the underside of the beam and oscillates between the fulcrum arms 12. It is herein shown screwed upon a downwardly extending threaded projection 126 fromthe beam.

There is secured upon the beam 15, integrally or otherwise, one member 16 of the indicating means being over the fulcrum of the beam so it willrock therewith. In the first three figures this indicating means is a double fan-shaped plate with the apex of the fan-shaped ends united together, integrally if desired, and adapted to receive two similar fan-shaped cards 27. The large ends of the fan-shaped cards extend outwardly and the numerals thereon are arranged so as to be read from the respective sides of the scale. The first and outer line 30 of the numerals on each card indicates ounces avoirdupois. The next inner line 31 contains numerals indicating ounces troy. The next inner line 32 contains nunierals indicating grams, and within these three outer lines 30, 31 and 32, there are several concentric lines 33 of numerals indicating the values of objects being weighed according to their weight, whether expressed in grams, troy ounces or'avoirdupois ounces. Over said plate 26, forming a part of the stationary member of the indicating means and over the cards 27 therein, a movable indicator 35 extends,it being a bar fulcrumed centrally on the pin 36 that extends through the plate 26, and, as shown in Fig. 3, screws into the beam below. The center of that pivot is midway between the fulcrums and the ends of the beam. The indicator is double-ended, there being one end arranged for each card, and adapted to more over the cards by operating either the handle 37 or 38. The poise 39, whereby the weighing is determined,

so far as the weight indications on the indi-- cating cards are concerned, is secured to one end of the indicator 35, and the side of the machine on which said poise is located is preferably turned toward the position occupied by the salesman. On the indicator 35 the following indications are made: .kvd. oz. in position to register with the line of numerals 30 Troy oz. in position to register with line 31 on the card. thus, for grams, in position to register with t e line 32 on the card, and certain other" numerals indicating the price-s1aer-unit at which the-article is sold, and they register with corresponding rows of muncrals on the card. There are two series or kinds of price per unit numerals: The mimcrals ll, or larger numerals, represent prices-poi"pound that cents per pound. while the nun'icrals 3 and 23. to he tound at interval, on the outer portion of said indicator and indi catcd by the reference numeral 42, represent prices per ounce. Therefore, with this scale so marked, one can determine the total value weighed when he. knows either the price per ounce or price per pound.

Upon the plate 26 a cover is placed, it being a skeleton frame, double fanshaped, with a central plate held in place by the screw 36, and the outer edges by the small screws 46. Each section of this cover plate is preferably inclosed by glass 47 or other transparent material. The ends of parts 16 and 45 of said stationary member of the indicating means are spaced apart, as shown in Fig. 3, to permit the indicator 35 to extend and be oscillated between them.

The modified form shown in Fig. 4 is the same as that shown in the other figures, excepting that only a single fan-shaped member 26 of the indicating means is em ployed, and it is secured on the beam by fasteners 50 centrally of the beam and the fulcrum thereof. It is composed of the same parts as one end of the form shown in Fig. 1, excepting onl y one indicator is shown, and its end is fulcrumed by the pin 51, similar to the pin 36 in the apex of the fan-shaped late 26. Thecard and index are identica in the two forms shown.

The. shot or lead 20 shown in Fig. 1 is so disposed as to balance thebeam and all the parts thereon when the combined indicator and poise 35 and 39, Meat zero; namely, a remote position from a transverse line through the fulcrums or balancingcenter device, and nearest the load receiving member. That is the zero position of the scale and is illustrated in-Figs. 1 and 4. If half a pound be placed on the load receiving member 19, the scale will immediately unbalance, and in order to balance it, the operator takes the handle 37 and moves the poise and indicator to the right from the position shown in Fig. 1 until the scale balances, and in that event it would be at 8 ounces, or on the line above the fulcrums. If a pound weight instead were placed on the load-receiver, the scale would not balance until the indicator and poise were moved to the right-hand limit from the position shown in Figs. 1 and 4, that is, to 16 ounces. If it is desired to weigh more than one pound with the scales herein shown pound weights or the like are placed on the weight receiving member 18.- \Vhile the scales herein shown are graduated only up to one pound, it is not desired to limit the invention to the range. of utility that is shown in the drawings, as the chart may be devised for weighing more than one pound.

, In the form shown in Fig. 1, assuming that the salesman is on the near side and i the purchaser is on the-opposite side of the served there that the poise at zero is at the limit of the distance from the fulcrum toward the load-receiving member, but it is operated. the poise is moved away from the load-receiving member toward and even beyond the fulcrum. Furthermore, the poise and the indicator, or the movable members of the indicating means, whatever that might be, are combined and cooperate, the indicator adding weight to the poise and in a sense constituting a part thereof, and

the handle 37 also constitutes a part of the poise. Hence it is practically an oscillatory poise, which serves not only as a poise but as the movable member of the indicating means; or on the other hand, it is a horizontally disposed indicator which serves also the purpose of a poise, The fulcrum of the combined poise and indicator should preferably be in a vertical plane through the fulcrum of the beam. It is not necessary, however, that the device be so arranged or that the poise and indicator move beyond the fulcrum, although the latter is preferable as it enlarges the capacity of the scale; but it is necessary that the device be so arranged that the poise will move away from the load-receiving member as the load is applied, to counter-balance the load and enable-the indicator to show the result of the load.

hat I claim as my invention and desire to secure by Letters Patent is:

1. A weighing scale including a fulcrum'ed beam, indicating means consisting of a member secured on the beam and having two similar sets of chart indications on l may be operated and the chart read from 1 either side of the scale.

2. A weighing scale including a beam fuli crumed between its ends, indicating means i consisting of a pair of fan-shaped members united at their apex and secured to and ex- E tending transversely of the beam and each member provided with similar graduations 1 and indications readable from the respective sides of the scale, an indicator extends ing entirely across the two fan-shaped mem-,

bers and cent-rally pivoted -between said members and provided on each end portion thereof with graduations and indications corresponding with the graduations and indications on the fan-shaped members, a poise weight secured to one end of'said indicator, an outwardly projecting handle secured to each end of said indicator, a load receiving member mounted on the beam near one side of said fan-shaped member, and a weight receiving member mounted on the beam on the opposite side thereof, whereby the scale can be operated and read from both sides and the load and weight receiving members will be 'close to the fulcrum of the beam.

3. A weighing scale including a beam fulcrumed between its ends, a load receiving member on one end of the beam, a weight receiving member on the other end thereof, an indicating member fixed on the beam in horizontal position and between said load and weight receiving members and extend ing longitudinally of the beam to an equal extent on each side of the fulcrum and provided with a row of graduations and indications beginning with zero on the side of the fulcrum of the beam next to the load receiving member and extending in a direction away from the load receiving memher to the side of the indicating member next to the weight receiving member, and an indicator extending transversely of said beam and pivoted so as to oscillate hori- FRANK P. DUNN.

Witnesses:

B. D. EMANUEL, J. D. HOPPER.

Copies of this patent may be obtainedfor five cents each, by addressing the Commissioner of Patents,

Washington, D. C.

zontally across said indicating member said. 

